docs: def subcmd_init_parser(subcmd):
      """ init subcommand """
      subcmd.add_argument(
          'tag',
          action='store',
          help=u'Tag (org/name) or name of APB to initialize'
      )
  
      subcmd.add_argument(
          '--force',
          action='store_true',
          dest='force',
          help=u'Force re-init on current directory',
          default=False
      )
  
      subcmd.add_argument(
          '--dockerhost',
          action='store',
          help=u'set the dockerhost for this project',
          default="docker.io"
      )
  
      subcmd.add_argument(
          '--async',
          action='store',
          dest='async',
          help=u'Specify asynchronous operation on application.',
          default='optional',
          choices=['required', 'optional', 'unsupported']
      )
  
      subcmd.add_argument(
          '--bindable',
          action='store_true',
          dest='bindable',
          help=u'Make application bindable on the spec.',
          default=False
      )
  
      subcmd.add_argument(
          '--dep',
          '-d',
          action='append',
          dest='dependencies',
          help=u'Add image dependency to APB spec'
      )
  
      for opt in SKIP_OPTIONS:
          subcmd.add_argument(
              '--skip-%s' % opt,
              action='store_true',
              dest='skip-%s' % opt,
              help=u'Specify which playbooks to not generate by default.',
              default=False
          )
  
      return